The Dr. Jules Plant-Based Podcast

FODMAPs, Fear, And Finding Your Dose

Dr. Jules Cormier (MD) Season 3 Episode 113

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0:00 | 14:23

Bloating after “healthy” meals, random cramps, or bathroom roulette can make food feel like the enemy. 

We break down FODMAPs in plain language and show how a short-term, guided approach can calm IBS symptoms without cutting the very foods that protect long-term health. Instead of fear, we offer a framework: treat the burden, not the food.

We start by explaining what FODMAPs are, fermentable oligo-, di-, and monosaccharides and polyols, and why they can trigger gas and draw water into the bowel. Then we connect the dots to IBS and visceral hypersensitivity, where normal gut stretching can feel painful and motility swings between diarrhea and constipation. You’ll hear why apples, onions, beans, and whole grains aren’t villains; they’re often prebiotic powerhouses that feed beneficial microbes and help produce short-chain fatty acids like butyrate.

From there, we map a clear, three-phase plan for a low FODMAP strategy done right. Phase one reduces symptoms with short-term restriction. Phase two reintroduces foods methodically by FODMAP category to identify personal triggers and tolerable doses. 

Phase three rebuilds a broad, fiber-rich diet tailored to your threshold, keeping variety high, symptoms low, and your microbiome thriving. We also flag when to seek medical care for red-flag symptoms and why this is not a DIY project. A registered dietitian’s guidance protects your nutrition, prevents needless restriction, and speeds up finding your sweet spot.

If you’ve been told to ban fruit, ditch beans, or fear grains, you’ll leave with a calmer, smarter plan. 

Subscribe, share this with a friend who’s struggling with bloating, and leave a review with the one food you hope to bring back to your plate.

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Peace, love, plants!
Dr. Jules 

Section A

SPEAKER_00

Yo plant based buddies, welcome back to season three of the podcast. This year's gonna be amazing. We'll be talking about all of the different pillars of lifestyle medicine from nutrition to exercise to stress to sleep and everything in between. Yo, plant-based buddies, welcome back to another episode. Today we're gonna tackle a topic that creates confusion and fear and unnecessary food avoidance online. I've had a lot of patients that have asked me to talk about this subject, a lot of patients that avoid them on purpose because of digestive issues. I'm talking about FODMAPs. And if you have gas and bloating or abdominal pain, diarrhea or constipation, you probably have heard someone tell you to cut these foods. They've probably told you to cut fruit and don't eat beans and avoid grains and remove vegetables from your diet. And very often, these foods, when you remove them, they could possibly improve your symptoms, but that approach will often make your symptoms worse over time instead of making them better. So today we're going to explain what FODMAPs are, why they matter, why you should care, why you shouldn't care about FODMAPS, and how to use a low FODMAP approach as a short-term tool instead of a lifestyle. Now we need to emphasize that registered dietitians are the experts when it comes to low FOTMAP diets, reducing or eliminating or even reintroducing FODMAPs as a nutritional intervention. This is not a DIY project, it is something that you do not want to tackle for yourself. It is a complex nutritional intervention that needs to be monitored over time. Now, when we're talking about FODMAPS, we're actually talking about fermentable oligosaccharides, disaccharides, monosaccharides, and polyols. Oligo means a few, typically from three to ten, and saccharides are the building blocks of carbohydrates. So an oligosaccharide is a chain of three to ten saccharides, whereas disaccharides is a chain of two saccharides bound together, and monosaccharides is one single saccharide. Now, polyols are also called sugar alcohols. All of these are different types of compounds that in plain language are short-chain carbohydrates and they digest poorly in some people. And when they reach the large intestine, gut bugs ferment them. This can produce gas. FODMAPS can also be osmotically active, meaning that they pull water into the bowel. And for a lot of people, that's harmless. And for others, it triggers pain, bloating, urgency, or diarrhea. Now there's an important point to be made. FODMAPS aren't toxins and they're not inherently inflammatory. And foods that contain FODMAPs are not bad foods. In fact, many FODMAP containing foods actually feed beneficial gut bacteria by acting as prebiotics. And they help produce short-chain fatty acids like butyrate and they help support gut health over the long term. The issue with FODMAPS is their tolerance, not that they're dangerous. FODMAPS matter most for people with IBS or irritable bowel syndrome, and this could involve multiple different mechanisms that explains why people with IBS have different digestive issues. One of these mechanisms includes visceral hypersensitivity, and this simply means that your gut reacts strongly to normal stimuli. Now, gas and bowel stretching in some people goes without symptoms, but in people with IBS, that stretching can actually become painful, and then motility becomes unpredictable with people experiencing diarrhea and a subset of people actually getting constipated. But the research consistently showed that a low FOTMAP diet improves symptoms in people that are diagnosed with IBS, especially their bloating, their pain gets better, even diarrhea gets better. But it's important to recognize that a low FOTMAP diet is not for unexplained gut symptoms. It's not for self-diagnosis. And you shouldn't be restricting FODMAP foods without talking to a nutrition specialist or registered dietitian first. Now, chronically restricting FODMAP containing foods without medical guidance could actually lead to reduced ingestion and intake of some of the food groups that are actually protective for long-term health. So this is not something that you diagnose for yourself. Speak to a healthcare professional or to a registered dietitian to make sure that avoiding FODMAPs is the right intervention for you. And red flies like weight loss or anemia or blood in your stool or night sweats or night symptoms require medical evaluation. Now, FODMAP strategies belong inside of a diagnosis and a structured healthcare visit, not from an influencer on TikTok that is giving you nutrition advice. Now, when we're talking about FODMAPs or fermentable oligo, dye, or monosaccharides and polyols, oligosaccharides include fructins and galacto oligosaccharides. Now we can find these FODMAPs in wheat, rye, onions, garlic, leeks, asparagus, and other foods like beans, chickpeas, and lentils. Disaccharides, we're mainly talking about lactose that we can find in milk, yogurt, or cheeses. When we're talking about monosaccharides, excess fructose is a monosaccharide. We can find that in apples, pears, mangoes, watermelon, honey, and polyols, also called sugar alcohols, include compounds like sorbitol or manitol. We can find them in some stone fruits like plums or cherries, you can find them in mushrooms and cauliflower. And if you've noticed a common theme while listing out sources of FODMAPs, you'll notice something important. Many of these foods are super nutrient dense, health-promoting, fiber-rich, and protective for long-term health. So the problem is not the food, and the problem is not the FODMAP, the problem is the dose. And this is why we can refer to as reducing FODMAPs as reducing FODMAP burden instead of cutting whole food groups. And this is the most misunderstood concept when it comes to FODMAPs. The goal is not to eliminate them forever, and the goal is not to cut out whole food groups, the goal is to reduce FODMAP burden. Now, an apple contains FODMAPS and that doesn't mean that you should be avoiding apples. A small apple alone may be fine, but maybe an apple plus whole wheat toast plus plus honey plus onions may not. And symptoms are often reflective of the total dose of FODMAPS that you eat throughout the day or in one single meal, and not the problem with a single food. And instead of banning or restricting foods, we just have to adjust portions. We spread we maybe space them across the day and we try to combine high FOTMAP containing foods with foods that are maybe lower in FOTMAPs so that the burden or the dose in one sitting is not as high. Now, when it comes to FOTMAP, the goal is to keep your nutrition optimal, to keep your fiber intake adequate, and to make sure the gut bugs stay fed. FOTMAP containing foods are very often healthy foods, and FOTMAPs often serve as prebiotics for your gut bugs. Now a structured low FODMAP diet is not something you do by yourself. It is something that you discuss with an expert in the field and typically with a registered dietitian. But a low FOTMAP diet typically would have about three phases. Phase one, short term, you eliminate high FOTMAP foods, usually for a few weeks, maybe up to six, seven weeks. The goal is to reduce the symptoms, create a baseline where we can then build up during phase two. And phase two is systematic reintroduction of FOTMAP foods with one FOTMAP food group at a time. This is helpful to identify personal triggers instead of just following internet rules or following your gut. Now phase three is customization or personalization. Now this is the goal is to eat as broadly as possible and to eat as many different foods from different food groups as possible while staying below your symptom threshold. We all have this dose where FODMAPs become problematic, the FODMAP burden. Now if you can find your FODMAP threshold and then eat a healthy diet that stays under that triggering threshold, not only will your symptoms be better, but your nutritional quality will remain high. Now, long-term restricting FODMAP foods is not recommended. It reduces microbial diversity, it increases the risk of nutritional deficiencies, it makes you avoid whole food groups that are typically associated with better health. Now, FODMAPs are basically carbs. They're not the enemy, and low FOTMAP diets can help IBS symptoms when they're used properly. But diagnosis matters, how long that you're on a low FOTMAP diet that matters, and the reintroduction phase matters. The goal is to build confidence that you know which foods will trigger symptoms in which dose. It's not about fear or restriction. You basically want the widest, most diverse diet that your gut can tolerate. And that's how you protect both gut health but also long-term health. Now, I hope this helps clarify what FOTMAPs are. Hopefully, you can share it with someone who is confused about what they mean. FOTMAPS are not toxins, they're not inflammatory, they're not poisons, they're fermentable carbs. Oligosaccharides, disaccharides, monosaccharides, and sugar alcohols or polyols that simply can produce gas and it can draw water and have a laxative effect. Now, for the vast majority of people, it's not the FOTMAPS that are the problem, it is the dose. Now, if you are diagnosed with IBS, a low-FOTMAP diet can actually be used as a nutritional treatment, an intervention that has been shown to reduce digestive symptoms. But that being said, it needs to be done and tailored and customized and personalized to you with your healthcare team, preferably a registered dietitian that is well versed in low FODMAP diets. Typically, they have three phases: the restriction phase to just get your symptoms in control, and then the reintroduction phase, where you basically start reintroducing these foods to find your threshold, find your triggers, find the dose of FODMAPS that you can live with, and then create a personalized plan that you can sustain over time. Right on. I hope this episode helped you understand not only what FODMAPs are, but why they matter and why restricting them often leads to restricting whole food groups or specific foods that are associated with beneficial health outcomes. And if you're gonna play around with your FODMAP burden, do it with a healthcare professional or a dietitian. Cool. Right on. Thanks for sticking to the end. We'll see you at the next episode. Hey everyone, go check out my website, plantbase drjewels.com, to find free downloadable resources. And remember that you can find me on Facebook and Instagram at Dr. Jewel's Cormier and on YouTube at Plant Maze Dr. Jewels.